projects / thirdparty / binutils-gdb.git / blame
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|---|---|---|
| cb7a6892 MM |
1 | /* This file is part of the program psim. |
| 2 | ||
| 3 | Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> | |
| 4 | ||
| 5 | This program is free software; you can redistribute it and/or modify | |
| 6 | it under the terms of the GNU General Public License as published by | |
| 7 | the Free Software Foundation; either version 2 of the License, or | |
| 8 | (at your option) any later version. | |
| 9 | ||
| 10 | This program is distributed in the hope that it will be useful, | |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 | GNU General Public License for more details. | |
| 14 | ||
| 15 | You should have received a copy of the GNU General Public License | |
| 16 | along with this program; if not, write to the Free Software | |
| 17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
| 18 | ||
| 19 | */ | |
| 20 | ||
| 21 | ||
| 22 | #ifndef _VM_H_ | |
| 23 | #define _VM_H_ | |
| 24 | ||
| 25 | #ifndef INLINE_VM | |
| 26 | #define INLINE_VM | |
| 27 | #endif | |
| 28 | ||
| 29 | typedef struct _vm vm; | |
| 30 | typedef struct _vm_data_map vm_data_map; | |
| 31 | typedef struct _vm_instruction_map vm_instruction_map; | |
| 32 | ||
| 33 | ||
| 34 | /* each PowerPC requires two virtual memory maps */ | |
| 35 | ||
| 36 | INLINE_VM vm *vm_create | |
| 37 | (core *memory); | |
| 38 | ||
| 39 | INLINE_VM vm_data_map *vm_create_data_map | |
| 40 | (vm *memory); | |
| 41 | ||
| 42 | INLINE_VM vm_instruction_map *vm_create_instruction_map | |
| 43 | (vm *memory); | |
| 44 | ||
| 45 | ||
| 46 | /* address translation, if the translation is invalid | |
| 47 | these will not return */ | |
| 48 | ||
| 49 | INLINE_VM unsigned_word vm_real_data_addr | |
| 50 | (vm_data_map *data_map, | |
| 51 | unsigned_word ea, | |
| 52 | int is_read, | |
| 53 | cpu *processor, | |
| 54 | unsigned_word cia); | |
| 55 | ||
| 56 | INLINE_VM unsigned_word vm_real_instruction_addr | |
| 57 | (vm_instruction_map *instruction_map, | |
| 58 | cpu *processor, | |
| 59 | unsigned_word cia); | |
| 60 | ||
| 61 | ||
| 62 | /* block transfers */ | |
| 63 | ||
| 64 | INLINE_VM int vm_data_map_read_buffer | |
| 65 | (vm_data_map *data_map, | |
| 66 | void *target, | |
| 67 | unsigned_word addr, | |
| 68 | unsigned len, | |
| 69 | transfer_mode mode); | |
| 70 | ||
| 71 | INLINE_VM int vm_data_map_write_buffer | |
| 72 | (vm_data_map *data_map, | |
| 73 | const void *source, | |
| 74 | unsigned_word addr, | |
| 75 | unsigned len, | |
| 76 | transfer_mode mode, | |
| 77 | int violate_read_only_section); | |
| 78 | ||
| 79 | ||
| 80 | /* fetch the next instruction from memory */ | |
| 81 | ||
| 82 | INLINE_VM instruction_word vm_instruction_map_read | |
| 83 | (vm_instruction_map *instruction_map, | |
| 84 | cpu *processor, | |
| 85 | unsigned_word cia); | |
| 86 | ||
| 87 | ||
| 88 | /* read data from memory */ | |
| 89 | ||
| 90 | #define DECLARE_VM_DATA_MAP_READ_N(N) \ | |
| 91 | INLINE_VM unsigned_##N vm_data_map_read_##N \ | |
| 92 | (vm_data_map *map, \ | |
| 93 | unsigned_word ea, \ | |
| 94 | cpu *processor, \ | |
| 95 | unsigned_word cia); | |
| 96 | ||
| 97 | DECLARE_VM_DATA_MAP_READ_N(1) | |
| 98 | DECLARE_VM_DATA_MAP_READ_N(2) | |
| 99 | DECLARE_VM_DATA_MAP_READ_N(4) | |
| 100 | DECLARE_VM_DATA_MAP_READ_N(8) | |
| 101 | ||
| 102 | ||
| 103 | /* write data to memory */ | |
| 104 | ||
| 105 | #define DECLARE_VM_DATA_MAP_WRITE_N(N) \ | |
| 106 | INLINE_VM void vm_data_map_write_##N \ | |
| 107 | (vm_data_map *map, \ | |
| 108 | unsigned_word addr, \ | |
| 109 | unsigned_##N val, \ | |
| 110 | cpu *processor, \ | |
| 111 | unsigned_word cia); | |
| 112 | ||
| 113 | DECLARE_VM_DATA_MAP_WRITE_N(1) | |
| 114 | DECLARE_VM_DATA_MAP_WRITE_N(2) | |
| 115 | DECLARE_VM_DATA_MAP_WRITE_N(4) | |
| 116 | DECLARE_VM_DATA_MAP_WRITE_N(8) | |
| 117 | ||
| 118 | ||
| 119 | /* update vm data structures due to a synchronization point */ | |
| 120 | ||
| 121 | INLINE_VM void vm_synchronize_context | |
| 122 | (vm *memory, | |
| 123 | spreg *sprs, | |
| 124 | sreg *srs, | |
| 125 | msreg msr); | |
| 126 | ||
| 127 | #endif |